Gas turbine and turbine rotor for a gas turbine

Details Gas turbine and turbine rotor for a gas turbine Gas turbine and turbine rotor for a gas turbine

2006-10-03

2006-10-03

Edgar, Richard A. (Department: 3745)

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

C416S09600A

Reexamination Certificate

active

07114915

ABSTRACT:
A refrigerant supplied from a refrigerant supply pipe flows into a first space, being a passage of the refrigerant, from a space between first stage and second stage rotor disks. The refrigerant supplied to the first space is guided to second, third and forth spaces through a gap between a spindle bolt and a bolt hole, during which the rotor disks are warmed up or cooled. In the second stage rotor disk, a refrigerant through hole axially penetrating this rotor disk is provided near the center thereof. The refrigerant flowing into the first space passes through the refrigerant through hole to flow into the second space, to thereby promote the convection in the first, second, third and fourth spaces and equalization of temperatures in the rotor disks.

REFERENCES:
patent: 4880354 (1989-11-01), Teranishi et al.
patent: 5525032 (1996-06-01), Kreis et al.
patent: 5755556 (1998-05-01), Hultgren et al.
patent: 6053701 (2000-04-01), Ichiryu et al.
patent: 6065282 (2000-05-01), Fukue et al.
patent: 6094905 (2000-08-01), Fukuyama
patent: 10-205302 (1998-08-01), None

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